Moscow University Chemistry Bulletin Vol. 46, No. 1, P. 55 (2005)

A. V. Ivanov, S. S. Kubyshev, P. N. Nesterenko, A. B. Tessman

Polyethyleneimine as component offlowing retentive phase in pH gradient capillar liquid chromatography

Abstract

The application of polyethyleneimine solutions (1:3 – 1:2) in water as flowing retentive phase to induce the decreasing pH gradients within capillars was suggested. The acetic and 6-amino hexanoic acids and Tris were used as components of eluents. The pH gradients, formed at flow rate 0,4–0,6 ml/min, are linear and smooth within 5 pH-units interval.

Moscow University Chemistry Bulletin.
2005, Vol. 46, No. 1, P. 55

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